Anti-static display module

Abstract

The embodiment of the utility model provides an anti-static display module which comprises a TFT (Thin Film Transistor) display screen and an FPC (Flexible Printed Circuit), the TFT display screen comprises a lower polaroid, lower substrate glass, upper substrate glass and an upper polaroid which are sequentially arranged from bottom to top; the FPC comprises an FPC main body and an extension part, and the extension part is provided with a grounding piece; and the grounding sheet and the upper polaroid are conducted through a first silver paste point. According to the display module, the extension part and the grounding piece are additionally arranged, and the conduction between the upper polaroid and the grounding piece is realized through the first silver paste point, so that the grounding effect of the upper polaroid is further enhanced on the basis of the prior art, the export of electrostatic charges of the upper polaroid is accelerated, and the antistatic capability of the display module is improved.

Description

Technical Field

[0001] The utility model relates to the field of display screens, and in particular to an anti-static display module. Background Art

[0002] During the use of the display module, static electricity will be generated, so the display module needs to be treated with anti-static treatment. Traditionally, the anti-static treatment of the polarizer on the display module is usually carried out by setting silver paste on both sides of the lower substrate glass, or adding conductive cloth on the silver paste points, etc., to conduct the static electricity of the upper polarizer. The existing method may have problems such as silver paste point coating leakage and poor contact between the silver paste point and the ground GND. It is necessary to further improve the anti-static interference ability of the display module based on the existing technology. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an anti-static display module.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The embodiment of the utility model provides an anti-static display module, comprising: a TFT display screen and an FPC;

[0006] The TFT display screen comprises a lower polarizer, a lower substrate glass, an upper substrate glass and an upper polarizer which are arranged in sequence from bottom to top;

[0007] The FPC includes an FPC body and an extension portion, and the extension portion is provided with a grounding sheet;

[0008] The grounding plate is electrically connected to the upper polarizer through a first silver paste point.

[0009] In a preferred embodiment of the present invention, the size of the upper substrate glass is smaller than that of the lower substrate glass, the position where the lower substrate glass exceeds the upper substrate glass is a binding area, and the FPC is arranged in the binding area.

[0010] In a preferred embodiment of the present utility model, the size of the upper polarizer is the same as the size of the upper substrate glass;

[0011] The extension portion contacts the bottom edge of the upper substrate glass.

[0012] In a preferred embodiment of the present invention, the first silver paste dot is arranged at the junction of the extension portion and the bottom edge of the upper substrate glass, and simultaneously covers the upper surface of the upper polarizer and the upper surface of the grounding sheet.

[0013] In a preferred embodiment of the present invention, an IC binding site and an FPC binding site are provided on the binding area.

[0014] In a preferred embodiment of the present utility model, the FPC body includes a TFT connecting end, and a first gold finger is provided on the TFT connecting end, and the first gold finger is used to connect to the TFT display screen.

[0015] In a preferred embodiment of the present invention, the extension portion is connected to the TFT connection terminal.

[0016] In a preferred embodiment of the present utility model, the FPC body includes a client connection end, and the client connection end is provided with a second golden finger, and the second golden finger is used to connect to the client.

[0017] In a preferred embodiment of the present invention, the FPC uses polyester film or polyimide as a substrate.

[0018] In a preferred embodiment of the present invention, it further comprises a second silver paste dot;

[0019] A GND conduction area is also provided on the binding area, the second silver paste point is arranged in the GND conduction area, and the GND conduction area and the upper polarizer are connected through the second silver paste point.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] In the utility model, by adding an extension portion and a grounding plate, and realizing the conductivity between the upper polarizer and the grounding plate through the first silver paste point, the grounding effect of the upper polarizer is further enhanced on the basis of the existing technology, the extraction of the electrostatic charge of the upper polarizer is accelerated, and the anti-static ability of the display module is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of an anti-static display module provided by the utility model;

[0023] Figure 2 A schematic diagram of the top view structure of a TFT display screen provided by the utility model;

[0024] Figure 3 The utility model is a schematic diagram of the side structure of an anti-static display module. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The English abbreviations or phrases used in this utility model have the following Chinese meanings:

[0030] TFT is the abbreviation of Thin Film Transistor, which means thin film transistor in Chinese.

[0031] FPC: Flexible Printed Circuit Board, in Chinese it means: flexible circuit board.

[0032] See also Figure 1-2 , the utility model embodiment provides a technical solution:

[0033] The embodiment of the utility model provides an anti-static display module, comprising: a TFT display screen 100 and an FPC 200;

[0034] The TFT display screen 100 includes a lower polarizer 110, a lower substrate glass 120, an upper substrate glass 130 and an upper polarizer 140 which are arranged in sequence from bottom to top;

[0035] The FPC 200 includes an FPC body 210 and an extension portion 220 , and a grounding sheet 221 is disposed on the extension portion 220 ;

[0036] The grounding plate 221 and the upper polarizer 140 are electrically connected via the first silver paste dots 300 .

[0037] In the utility model, by adding an extension portion and a grounding plate, and realizing the conductivity between the upper polarizer and the grounding plate through the first silver paste point, the grounding effect of the upper polarizer is further enhanced on the basis of the existing technology, the extraction of the electrostatic charge of the upper polarizer is accelerated, and the anti-static ability of the display module is increased.

[0038] In a preferred embodiment of the present invention, reference Figure 2 The size of the upper glass substrate 130 is smaller than that of the lower glass substrate 120 . The position where the lower glass substrate 120 exceeds the upper glass substrate is a binding area 121 . The FPC 200 is disposed in the binding area 121 .

[0039] In a preferred embodiment of the present invention, reference Figure 2 , the size of the upper polarizer 140 is the same as the size of the upper substrate glass 130;

[0040] The extension part 220 contacts the bottom edge of the upper substrate glass 130. The above arrangement facilitates the first silver paste dot to simultaneously cover the grounding plate 221 on the extension part 220 and the upper polarizer 140, thereby achieving conduction between the two.

[0041] In a preferred embodiment of the present invention, the first silver paste dot 300 is arranged at the junction of the extension portion 220 and the bottom edge of the upper substrate glass 130, and simultaneously covers the upper surface of the upper polarizer 140 and the upper surface of the grounding plate 221, thereby achieving conduction between the two and exporting the static electricity of the upper polarizer.

[0042] In a preferred embodiment of the present invention, the binding area 121 is provided with an IC binding position 122 and an FPC binding position 123. The IC binding position 122 is used to bind an IC chip, and the FPC binding position 123 is used to bind the FPC 200.

[0043] In a preferred embodiment of the present invention, the FPC body 210 includes a TFT connection terminal 211, and a first gold finger 212 is provided on the TFT connection terminal 211. The first gold finger 212 is used to connect the TFT display screen 100, such as the first gold finger 212 will be connected to the FPC binding position 123.

[0044] In a preferred embodiment of the present invention, the extension portion 220 is connected to the TFT connection terminal 211, wherein the extension portion 220 may include extension units respectively arranged near the left and right ends of the TFT connection terminal, and each extension unit is provided with a grounding plate 221, which can accelerate the discharge of static electricity.

[0045] In a preferred embodiment of the present invention, the FPC body 210 includes a client connection terminal 213 , and a second golden finger 214 is disposed on the client connection terminal 213 . The second golden finger 214 is used to connect to the client.

[0046] In a preferred embodiment of the present invention, the FPC uses polyester film or polyimide as a substrate.

[0047] In a preferred embodiment of the present invention, it further includes a second silver paste dot 400;

[0048] The binding area 121 is also provided with a GND conductive area 124, the second silver paste dot 400 is provided in the GND conductive area 124, and the GND conductive area 124 is conductively connected to the upper polarizer 140 via the second silver paste dot 400. The above arrangement further improves the static electricity extraction effect.

[0049] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An anti-static display module, characterized in that: include: TFT display and FPC; The TFT display screen comprises a lower polarizer, a lower substrate glass, an upper substrate glass and an upper polarizer which are arranged in sequence from bottom to top; The FPC comprises an FPC body and an extension portion, wherein the extension portion is provided with a grounding sheet; The grounding plate is electrically connected to the upper polarizer through a first silver paste point.

2. The anti-static display module according to claim 1, characterized in that: The size of the upper substrate glass is smaller than that of the lower substrate glass, and the position where the lower substrate glass exceeds the upper substrate glass is a binding area, and the FPC is arranged in the binding area.

3. The anti-static display module according to claim 2, characterized in that: The size of the upper polarizer is the same as that of the upper substrate glass; The extension portion contacts the bottom edge of the upper substrate glass.

4. The anti-static display module according to claim 3, characterized in that: The first silver paste dot is arranged at the junction of the extension portion and the bottom edge of the upper substrate glass, and simultaneously covers the upper surface of the upper polarizer and the upper surface of the grounding sheet.

5. The anti-static display module according to claim 2, characterized in that: The binding area is provided with an IC binding site and an FPC binding site.

6. The anti-static display module according to claim 1, characterized in that: The FPC body includes a TFT connecting end, on which a first gold finger is provided, and the first gold finger is used to connect to the TFT display screen.

7. The anti-static display module according to claim 6, characterized in that: The extension portion is connected to the TFT connection terminal.

8. The anti-static display module according to claim 1, characterized in that: The FPC body comprises a client connection end, on which a second golden finger is arranged, and the second golden finger is used for connecting to the client.

9. The anti-static display module according to claim 1, characterized in that: The FPC uses polyester film or polyimide as a base material.

10. The anti-static display module according to claim 5, characterized in that: Also included is a second silver paste dot; A GND conduction area is also provided on the binding area, the second silver paste point is arranged in the GND conduction area, and the GND conduction area and the upper polarizer are connected through the second silver paste point.

Images